Honda Motor Co., Ltd.

Mitsuru Terada

Tsubasa Ishii

Hiroshi Yamada

Jun Nakano

Masaru Hisadomi

Tatsuro Kato

Hiroyuki Seki

Makoto Nakajin

A motorcycle has a large accommodating space and an enlarged capacity of a fuel filter. The motorcycle includes: a fuel tank disposed on the upper side of the rear wheel and on the rear side of the luggage box; a rear fender provided between the rear frames and, disposed between the luggage box and the rear wheel, and covering the rear wheel on the front and upper sides of the rear wheel; a fuel supply path; and a fuel secondary filter. The rear fender is so disposed that its front portion faces a rear wall of the luggage box, the front portion is inclined rearwardly upward so that the distance thereto from the rear wall increases along an upward direction, and the fuel secondary filter is disposed between the rear wall of the luggage box and the front portion of the rear fender.

Motorcycle

The motorcycle includes a power unit having an output shaft in a crankcase of an internal combustion engine, a fuel injection system mounted to the power unit, the fuel tank, the fuel pump unit by which a fuel in the fuel tank is supplied to the fuel injection system through a fuel passage, the fuel filter device connected to the fuel passage on the downstream side relative to the fuel pump unit, and a shock absorber provided in a vertically oriented state on the front side of a rear wheel. The fuel supply system for the motorcycle includes the fuel pump unit being disposed outside the fuel tank, on the rear side of the output shaft and on the front side of the rear cushion, and the fuel filter device is disposed on the upper side of the crankcase.

Fuel supply system for motorcycle

A scooter-type vehicle can freely set a capacity of a fuel filter without being restricted by swing of a unit-swing type engine. A cross pipe is spanned between a pair of left and right lower frames and a lower end of a down frame is connected to a central portion of the cross pipe. A fuel filter is disposed so that its lower end is higher by distance than the lower end of cross pipe. The fuel filter is disposed between the down frame and the fuel tank. Since the fuel filter is disposed in front of the fuel tank, it is not restricted by the swing of an engine located rearward of the fuel tank. Therefore, a capacity of the fuel filter can freely be set.

Scooter-type vehicle

A scooter-type vehicle can freely set a capacity of a fuel filter without being restricted by swing of a unit-swing type engine. A fuel supply device includes a fuel tank and a fuel supply passage for supplying fuel to an engine. A pump-anterior filter for purifying the fuel in the fuel tank, a fuel pump, a fuel filter disposed on the downstream side of the fuel pump, and an injector for injecting fuel are arranged on the fuel supply passage in this order. The fuel filter is disposed between the upper surface of the fuel tank and the step floor. The size of the fuel filter can freely be set without being restricted by swing of the engine located rearward of the fuel tank.

An evaporated fuel vapor from a fuel tank is fed through a charging pipe into an evaporated fuel storage canister, and is reserved there. The charging pipe, an upstream end of which is disposed in the fuel tank, is set to penetrate a side wall of the fuel tank and extends from the inside to the outside of the fuel tank. The canister is disposed in a swell-shaped recess on the inside of the front cowl, which recessed portion is situated between the headlight and the fuel tank as seen in side view.

Growing community of inventors

Wako, Japan

Mitsuru Terada